fate/vvc: add vvc-conformance-RPR_A_4

                                  Before    After
-------------------------------------------------
make fate-vvc CPU Time (No ASM)  131.52s  134.83s
libavcodec/vvc/* Line Coverage     95.3%    96.9%
inter_template.c Line Coverage     74.3%    88.2%
inter.c Line Coverage              85.3%    99.2%
Signed-off-by: Frank Plowman <post@frankplowman.com>

tests/fate/vvc.mak

@@ -14,6 +14,7 @@ VVC_SAMPLES_10BIT =       \
     POC_A_1               \
     PPS_B_1               \
     RAP_A_1               \
+    RPR_A_4               \
     SAO_A_3               \
     SCALING_A_1           \
     SLICES_A_3            \

tests/ref/fate/vvc-conformance-RPR_A_4

+#tb 0: 1/25
+#media_type 0: video
+#codec_id 0: rawvideo
+#dimensions 0: 832x480
+#sar 0: 0/1
+0,          0,          0,        1,  1198080, 0x2c12c2be
+0,          1,          1,        1,  1198080, 0x47275378
+0,          2,          2,        1,  1198080, 0x5d7b0327
+0,          3,          3,        1,  1198080, 0x0b15318a